Borderline? A lot of these are straight up apologetic. “Oh, it’s okay for protagonist-kun to have sex with 13 year-old-chan because he’s in the body of a 13 year old himself, which means he has the mentality of a 13 year old.” Okay, cool…how many years of life has he personally experienced? 42, you say? Interesting…why don’t you have a seat over here, random light-novel author-san?